Limestone Calculator
Crushed limestone tonnage for driveways and beds.
Enter your values
Enter the length in ft.
Enter the width in ft.
Enter the depth in in.
Enter the price per ton in $.
Results update instantly as you type — no submit needed. Your values are remembered on this device, and the shareable link reopens the calculator with exactly these numbers.
- Limestone needed
- 6 tons
- Cubic yards
- 4.44 yd³
- Coverage at this depth
- 480 sq ft
- Estimated cost
- $240.00
Quick answer
Crushed limestone weighs about 2,700 lb per cubic yard, so multiply area by depth in feet, divide by 27, then multiply by 1.35 for tons.
tons = ft³ ÷ 27 × 1.35
At a glance
| What it does | Crushed limestone tonnage for driveways and beds. |
|---|---|
| Category | Home & DIY |
| Inputs needed | Length, Width, Depth, Price per ton |
| Main output | Limestone needed |
| Formula | tons = ft³ ÷ 27 × 1.35 |
| Cost | Free — no sign-up, no download |
How to use the Limestone Calculator
- 1Enter the length and width of the area.
- 2Set the depth — 2–3 in for topping, 4+ in for a base.
- 3Enter your quarry price per ton.
Inputs explained
- Length(ft)
- Enter the length in ft.
- Width(ft)
- Enter the width in ft.
- Depth(in)
- Enter the depth in in.
- Price per ton($)
- Enter the price per ton in $.
Worked example
Using the values the calculator loads with:
Inputs
- Length40 ft
- Width12 ft
- Depth3 in
- Price per ton40 $
Results
- Limestone needed6 tons
- Cubic yards4.44 yd³
- Coverage at this depth480 sq ft
- Estimated cost$240.00
Frequently asked questions
What size limestone is best for a driveway?
#57 stone for drainage over a #2 or crusher-run base; #8 or screenings make a smoother top layer.
How much area does a ton of limestone cover?
Roughly 80 sq ft at 2 inches deep, or 60 sq ft at 3 inches.
What do I need to enter into the Limestone Calculator?
Just 4 values: length, width, depth, price per ton. Every field starts with a realistic example, so you can change one number at a time and watch the result update instantly.
How does the Limestone Calculator work out the answer?
Crushed limestone weighs about 2,700 lb per cubic yard, so multiply area by depth in feet, divide by 27, then multiply by 1.35 for tons. It applies the formula tons = ft³ ÷ 27 × 1.35 and shows the working so you can check each step by hand.
Is the Limestone Calculator free, and do I need an account?
It is completely free with no sign-up, no download and no usage limit. Everything is calculated in your browser, so the numbers you type never leave your device.
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.